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‘This plant is the only one which is in a position to store light ether; this will be indispensable for people in future.’ – Rudolf Steiner Koberwitz, Whitsun 1924: Rudolf Steiner had just completed his momentous lecture course on biodynamic agriculture and was waiting for a car to take him to the station. Suddenly he was approached by two of his pupils with an urgent question: Would his new indications for treating soil and vegetables be sufficient to provide, ‘...nutrition appropriate to our times and in accordance with the spirit?’ Steiner’s frank response was somewhat surprising: ‘It will not be sufficient even in the most favourable circumstances. What should be done is to cultivate the Dioscorea batatas in Europe so that it can take over from the potato as the staple diet.’ In the many decades since that conversation, various attempts have been made to cultivate Dioscorea batatas – the ‘light root’ – in Europe, initially by Steiner’s close colleague Guenther Wachsmuth. More recently, biodynamic farmer Ralf Roessner began to research the plant and its background, but soon discovered problems with the specimens available in Europe. Unsatisfied with the standard of the plants, in 2002 he travelled to the original growing areas of Dioscorea batatas in China, where he was able to form a comprehensive picture of the best planting methods and conditions. ‘The nodules which I found and brought back with me’, he writes, ‘showed similar light ether characteristics to the original plants of Wachsmuth’s’. Having successfully cultivated and marketed this light root, Roessner presents some carefully assembled introductory materials based on his experiences and those of a colleague. This small book, illustrated with colour images, is intended for people who wish to discover more about the plant’s being and spiritual mission as a ‘helper of progress’. Roessner explains how the light root stores ‘light ether’ in a unique manner, making it not only a valuable food, but also a ‘carrier of the spirit’. This light root could even ‘...decisively influence the development of humanity and the earth’. Aside from studying esoteric aspects, he gives answers to frequently-asked practical questions about the plant and its cultivation.
One winter in the Far North the sun disappears and Lucia, accompanied by her milk-white cat, braves the freezing cold and trolls who want to eat her, trying to find the sun and bring it back.
The International Society of Root Research sponsored the Symposium "Root Demographics and Their Efficiencies in Sustainable Agriculture, GrassLands and Forest Ecosystems," July 14-18, 1996, at the Madren Conference Center, Clemson University, Clemson, South Carolina, USA. The conference was a continuation of a series of international symposiums on root research held every three to four years. Symposiums have also been held twice in Vienna, Austria, and once in Uppsala, Sweden, and Almaty, Kazahkstan prior to the meeting at Clemson University. The sponsoring society has made a particular effort in these symposia to include root scientists from the former Soviet Union because of the importance of exchanging information on a worldwide basis. This symposium continued and promoted that effort by providing travel grants to several scientists from that region; however, funds for that purpose were limited. Therefore, in compiling these proceedings, a number of papers from scientists from the former Soviet Union and former Warsaw Pack countries have been included even though the scientists were not actually present for the SymPOSIum.
Each of the student books offers full and accurate coverage of the AQA specification for separate award science. The organisation of the books allows you to see at a glance exactly what you've covered and where. In addition, the books offer:- integrated
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The book provides an overview of current trends in biotechnology and medicinal plant sciences. The work includes detailed chapters on various advance biotechnological tools involved in production of phytoactive compounds of medicinal significance. Some recent and novel research studies on therapeutic applications of different medicinal plants from various geographical regions of the world have also been included. These studies report the antimicrobial activity of various natural plant products against various pathogenic microbial strains. Informative chapters on recent emerging applications of plant products such as source for nutraceuticals and vaccines have been integrated to cover latest advances in the field. This book also explores the conservation aspect of medicinal plants. Thus, chapters having comprehensively complied in vitro conservation protocols for various commercially important rare, threatened and endangered medicinal plants were provided in the present book.
Respiration in plants, as in all living organisms, is essential to provide metabolic energy and carbon skeletons for growth and maintenance. As such, respiration is an essential component of a plant’s carbon budget. Depending on species and environmental conditions, it consumes 25-75% of all the carbohydrates produced in photosynthesis – even more at extremely slow growth rates. Respiration in plants can also proceed in a manner that produces neither metabolic energy nor carbon skeletons, but heat. This type of respiration involves the cyanide-resistant, alternative oxidase; it is unique to plants, and resides in the mitochondria. The activity of this alternative pathway can be measured based on a difference in fractionation of oxygen isotopes between the cytochrome and the alternative oxidase. Heat production is important in some flowers to attract pollinators; however, the alternative oxidase also plays a major role in leaves and roots of most plants. A common thread throughout this volume is to link respiration, including alternative oxidase activity, to plant functioning in different environments.
The first study in English of Islamic thought in China, this book shows that this tradition was informed by both Sufism and Neo-Confucianism; translations of two classic works are included.
Naming the Light is about places and people, books and music and travel, gardening and astronomy. Some essays examine Rosemary Deen's experience of finding herself well placed, at home in an old house with rambling gardens in New York's Catskill region. Others travel out to remote worlds, then bring them next door through the author's power of imagination. Deen sees human experience as part of a system alive with continuity between nature and culture - its worms and its cathedrals, its weather and its cantatas - all one, like a giant plant or a richly woven tapestry.

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